Turn timer
Speed up games by giving each person a certain amount of time to make their turn. Cheerful time's up buzzers keep people honest and the game moving at a fast clip.
Game clock
For compeditive games, create a chess-style game-clock with multiple players.
2 to 20 players
Create timers and clocks for games ranging from 2 to 20 players.
Action history
Every action can be undone. If you forget to advance the time, no sweat, just undo, correct, and continue.